Suguru was a much more kind and proper young man back then, especially compared to Satoru. He understood the importance of manners and carrying himself with dignity as a jujutsu sorcerer. following Riko Amanai's death, things began to change, Suguru attempted to maintain his ideology but his path became more and more unclear as time goes on. He is disgusted with Star Religious Group’s actions towards Riko’s death and celebrated Geto and Gojo’s failure in protecting her.